Internet Explorer 8 is the top dog with a 23 percent share, followed by IE 7 with 18 percent. Google's Chrome version 26 holds 13 percent, while Firefox 20 is in fourth place with a 9.5 percent share.

Among the rival browsers in general, IE holds the overall lead with almost 56 percent of the market. Firefox takes second place with 20 percent, leaving Chrome with a little more than 16 percent and Safari with 5.3 percent.

In the mobile arena, Safari for iOS lost a bit of ground last month as its share dropped to 59.4 percent from 61.8 percent in March. At the same time, the stock Android browser and Google Chrome eked out minor gains, while Opera Mini saw its share jump to 9.9 percent from 8.4 percent the prior month.

About the author

Journalist, software trainer, and Web developer Lance Whitney writes columns and reviews for CNET, Computer Shopper, Microsoft TechNet, and other technology sites. His first book, "Windows 8 Five Minutes at a Time," was published by Wiley & Sons in November 2012.
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